Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:65300 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932439Ab2FGRXd (ORCPT ); Thu, 7 Jun 2012 13:23:33 -0400 Message-ID: <4FD0E382.8050800@netapp.com> Date: Thu, 07 Jun 2012 13:23:14 -0400 From: Bryan Schumaker MIME-Version: 1.0 To: Joerg Roedel CC: Trond Myklebust , linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: NFS regression in v3.5-rc1: mount.nfs yells about incorrect mount option References: <20120607150456.GO12795@8bytes.org> <4FD0C4C2.8020605@netapp.com> <20120607155006.GR12795@8bytes.org> <4FD0CEB0.9040804@netapp.com> <20120607160109.GS12795@8bytes.org> In-Reply-To: <20120607160109.GS12795@8bytes.org> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 06/07/2012 12:01 PM, Joerg Roedel wrote: > On Thu, Jun 07, 2012 at 11:54:24AM -0400, Bryan Schumaker wrote: >> On 06/07/2012 11:50 AM, Joerg Roedel wrote: >>> On Thu, Jun 07, 2012 at 11:12:02AM -0400, Bryan Schumaker wrote: >>> >>>> Can you use `mount -v` to get more output? >>> >>> Btw, it also works when I manually set the nfs-version at mount: >>> >>> mount -o nfsvers=3 ... >> >> What about `mount -o vers=4 ...`? I'm compiling a kernel right now to >> see if I can reproduce this, what NFS .config options do you have set? >> (`cat .config | grep CONFIG_NFS_` should be good enough). > > mount -o vers=2 and -o vers=3 works > mount -o vers=4 fails with: > > root@chrom:~# mount -o vers=4 lemmy:/data/repos/ /data/lemmy/ > mount.nfs: mounting lemmy:/data/repos/ failed, reason given by server: > No such file or directory What does /etc/exports look like on the server? You may have to mount it as "lemmy:/" when using NFS v4. What distro are you using? I haven't been able to get the incorrect mount option error you're seeing. > > # grep CONFIG_NFS_ .config > CONFIG_NFS_FS=y > CONFIG_NFS_V2=y > CONFIG_NFS_V3=y > CONFIG_NFS_V3_ACL=y > CONFIG_NFS_V4=y > # CONFIG_NFS_V4_1 is not set > CONFIG_NFS_FSCACHE=y > # CONFIG_NFS_USE_LEGACY_DNS is not set > CONFIG_NFS_USE_KERNEL_DNS=y > CONFIG_NFS_ACL_SUPPORT=y > CONFIG_NFS_COMMON=y > > > Joerg > >